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Finding the Fourth Proportional to 63,115.82, 87,093.74 and 34,819.68

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Solution

The fourth proportional to 63,115.82, 87,093.74 and 34,819.68 is: 48,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.82 : 87,093.74 = 34,819.68 : x
  2. Step 2: Convert to fraction form
    63,115.82/87,093.74 = 34,819.68/x
  3. Step 3: Cross multiply
    63,115.82x = 87,093.74 × 34,819.68
  4. Step 4: Simplify right side
    63,115.82x = 3,032,575,982.70
  5. Step 5: Solve for x
    x = 3,032,575,982.70/63,115.82
  6. Step 6: Final answer
    x = 48,047.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.